noun, feminine/ʒuʁ.ne pɔʁ.t‿u.vɛʁt/plural: journées portes ouvertes
open house, open day, open doors day (an event/day during which a facility or institution is open to the public for inspection or tour)
/ʒuʁ.ne pɔʁ.t‿u.vɛʁt/
open house, open day, open doors day (an event/day during which a facility or institution is open to the public for inspection or tour)